[ xxix. ] 



HELICID^. 



Synonymy and Reference to 

 Plate 11. 



D^DALOCHILA. 



Figs. 1, 2, 3. D. AURiFORMis,, Bland. Ann. N. Y. 

 Lye, vii., p. 37, Dec, 1858. 

 ' H. auriculata, Binney. Terr. Moll., ii., 

 (part,) t. 40, f. 1, (right hand) 2, 1«51. 

 H. avara, Eeeve. Conch. Icon., t. 121, No. 

 720, 1852. 



S. auriculata, Reeve. Conch. Icon., t. 119, 



No. 700, 1852. No. 20. 



" 4, 5, 6. D. AVARA, Say. Nicholson's Encycl., 1st 



Am. Edit., 1816. 

 Journal Acad. Nat. Sci, i., p. 277, 1818. 

 W. G. Binney, 1. c. iv., p. 74, 1859. 

 Bland, Ann. N. Y. Lye, vii., p. 30, Dec, 



1858. No. 21. 



" 7, 8, 9. D. ESPILOCA, Ravenel. Bland. Ann. N. 



Y. Lye, vii., t. 4, f. 12, Apr., 1860. No. 22. 



" 10, 11, 12. D. PosTBLLiANA, Bland. Ann. N. Y. 



Lye, vii., p. 35, Dec, 1858. No. 23. 



" 13, 14. D. AURICULATA, Say. Nicholson's Encycl., 



Edit. 1, 1816. 

 Journal Acad. Nat. Sciences, i., p. 277, 1818. 

 Binney, Terr. Moll., ii., p. 186, (part,) t. 40, 



Fig. 1, (left hand,) 1851. 

 Bland, Ann. N. Y. Lye, vii., p. 26. Dec, 



1858. 

 W. G. Binney, 1. c iv., p. 73, 1859. No. 24. 



" l5, 16. D. uvuLiFERA, Shuttlewortb. Bern. 

 Mittheil., p. 199, Aug., 1852. 

 Chemnitz, 2d Edit., ii., p. 426, t. 148, f. 19, 



